CONTRIBUTING: Update for Pycopy.
CONTRIBUTING: Update for Pycopy.

Change-Id: Ibc371544a0731c1ecfc209647d561297725c3a9d
Signed-off-by: Paul Sokolovsky <9dc5061f178bb11813e14f1ed02ba27eaf21fa5d@users.sourceforge.net>

pfalcon/micropython,pfalcon/micropython,pfalcon/micropython,pfalcon/micropython,pfalcon/micropython